2006-2007 GM 2500HD/3500HD 6.6L LBZ Duramax Heads & Valve Train

The OEM cylinder heads on your 2006-2007 GM 6.6L Duramax LML are key to managing compression and shaping your engine's power and torque. When it's time to replace such a critical component, choose a premium upgrade you can rely on. At Alligator Performance, we partner with the most trusted brands in the industry to bring you the highest-quality parts for your rig. Unlock the full potential of your GM 2500HD/3500HD by investing in one of our top-tier cylinder heads today! Check out our full selection of Engine Upgrades for additional performance! GM Duramax Fitments: 2006, 2007 GM 6.6L Duramax. Submodel Fitments: WT, Custom, LT, LTZ, High Country, 1LT, 2LT, Pro, SLE, SLT, AT4, Denali. Some exceptions apply, please see individual product pages for specific fitments.

GM Duramax>2006-2007 6.6L LBZ
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ARP 100-7533 8MM 12pt Valve Cover Bolt Kit | 2004.5-2016 GM 2500HD/3500HD 6.6L Duramax
ARP 100-7533 8MM 12pt Valve Cover Bolt Kit | 2004.5-2016 GM 2500HD/3500HD 6.6L Duramax

ARP

ARP 100-7533 8MM 12pt Valve Cover Bolt Kit | 2004.5-2016 GM 2500HD/3500HD 6.6L Duramax

Price
$116.51
Merchant 10233 ARP Rocker Shaft Bolt Kit | 2001-2012 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax
Merchant 10233 ARP Rocker Shaft Bolt Kit | 2001-2012 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

Merchant Automotive

Merchant 10233 ARP Rocker Shaft Bolt Kit | 2001-2012 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

Price
$24.72
Fleece FPE-BRAB-D1 32V Rocker Bridges | 2001-2016 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax
Fleece FPE-BRAB-D1 32V Rocker Bridges | 2001-2016 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

Fleece Performance Products

Fleece FPE-BRAB-D1 32V Rocker Bridges | 2001-2016 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

Price
$512.54
Industrial 44B801 130lb Valve Spring Kit | 2001-2016 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax
Industrial 44B801 130lb Valve Spring Kit | 2001-2016 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

Industrial Injection

Industrial 44B801 130lb Valve Spring Kit | 2001-2016 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

Price
$737.11
Fleece FPE-61-10003-P Cylinder Head (Passenger Side) | 2006-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax
Fleece FPE-61-10003-P Cylinder Head (Passenger Side) | 2006-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

Fleece Performance Products

Fleece FPE-61-10003-P Cylinder Head (Passenger Side) | 2006-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

Price
$1,099
Fleece FPE-61-10003-D Cylinder Head (Driver Side) | 2006-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax
Fleece FPE-61-10003-D Cylinder Head (Driver Side) | 2006-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

Fleece Performance Products

Fleece FPE-61-10003-D Cylinder Head (Driver Side) | 2006-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

Price
$1,099
Wagler C6618 Billet Rocker Bridges | 2001-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax
Wagler C6618 Billet Rocker Bridges | 2001-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

Wagler Competition Products

Wagler C6618 Billet Rocker Bridges | 2001-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

Price
$450
Industrial 449E01 Stage 1 Pushrods | 2001-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax
Industrial 449E01 Stage 1 Pushrods | 2001-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

Industrial Injection

Industrial 449E01 Stage 1 Pushrods | 2001-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

Price
$23.92
PPE 110090080 Valve & Spring Kit | 2001-2016 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax
PPE 110090080 Valve & Spring Kit | 2001-2016 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

PPE

PPE 110090080 Valve & Spring Kit | 2001-2016 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

Price
$809.99
PPE 110090050 Valve Springs, Retainers, Keepers Complete Kit | 2001-2016 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax
PPE 110090050 Valve Springs, Retainers, Keepers Complete Kit | 2001-2016 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

PPE

PPE 110090050 Valve Springs, Retainers, Keepers Complete Kit | 2001-2016 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

Price
$539.99
PPE 110100103 Cast Iron Cylinder Head | 2004.5-010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax
PPE 110100103 Cast Iron Cylinder Head | 2004.5-010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

PPE

PPE 110100103 Cast Iron Cylinder Head | 2004.5-010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

Price
$1,349.99
Comp Cams 701-32 Valve Spring Steel Retainers | 2011-2016 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LML
Comp Cams 701-32 Valve Spring Steel Retainers | 2011-2016 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LML

Comp Cams

Comp Cams 701-32 Valve Spring Steel Retainers | 2011-2016 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LML

Price
$155.95

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2006-2007 6.6L Silverado & Sierra 2500HD/3500HD

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